Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fe61bbec27db7ead0a25d43440fccac8534306edec958992aac8a62faddbfcf7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^